Vortex Razor UHD Full Size Binocular - 18x56 - For those who know unforgettable moments don't happen by chance, Razor UHD stands at the peak of the Vortex optics technology-delivering the unmatched clarity and low-light performance once-in-a-lifetime hunts demand. Rugged construction. Smooth ergonomic controls. Spectacular glass that delivers superior brightness and all- around image quality. From dense, river-bottom bucks, to rams above the timberline, early dawn to the depths of dusk-Razor UHD reveals opportunity otherwise hidden in shadow, giving you incredible viewing power every thrilling second of shooting light. Features Ultra high definition optical quality and prescription for unparalleled image resolution that cuts chromatic aberration; providing exceptional color fidelity, edge-to-edge sharpness, and light transmission.; XR Plus Lens Coatings - Ultimate anti-reflective coatings on all air-to-glass surfaces provide maximum light transmission for peak clarity and the pinnacle of low-light performance.; Magnesium Chassis - Decreases weight and increases strength.; Abbe-Koenig Prism - Larger prism with longer optical path resulting in sharper image resolution.; True Open Hinge - Offers superior ergonomics while decreasing total weight and bulk.; Adjustable Eyecups - Twist up and down for comfortable viewing with or without eyeglasses.; Center Focus Wheel - Adjusts the focus of both binocular barrels at the same time.; Locking Diopter - Adjusts for differences in a user's eyes. Located on right eyepiece.; Plasma Tech - Cutting edge coating application process provides unparalleled coating durability and performance.; APO Chromatic - Index-matched lenses correct color across the entire visual spectrum.; ArmorTek - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.; Rubber Armor - Provides a secure, non-slip grip, and durable external protection.; Argon-Gas Purged - Gas purged and O-ring sealed for fogproof and waterproof performance in all conditions.; Waterproof - O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.; Fogproof - Argon gas purging prevents internal fogging over a wide range of temperatures.; Designed to withstand the highest levels of impact.; Compatible with a tripod adapter, allowing use on a tripod or car window mount.;